The Big Bang Theory
The Celebration Experimentation still

S09E17

The Celebration Experimentation

Aired February 25, 2016

Free, with no ads. Tick off what you watch and see what airs next.

Summary

After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.

TV Binge Diary

Keep track of The Big Bang Theory

  • See what airs next, in your own time zone.
  • Tick off episodes and films as you watch.
  • Rate them, keep lists, and keep the record. Private by default.